QED approach to the nuclear spin-spin coupling tensor

被引:0
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作者
Romero, Rodolfo H. [1 ]
Aucar, Gustavo A. [1 ]
机构
[1] Fac. de Cie. Exact./Nat./Agrimensura, Universidad Nacional del Nordeste, Av. Libertad 5500, 3400 Corrientes, Argentina
关键词
Electrodynamics - Electron energy levels - Hamiltonians - Integral equations - Magnetic field effects - Molecules - Nuclear magnetic resonance spectroscopy - Nuclear physics - Radiation effects - Tensors;
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摘要
A quantum electrodynamics (QED) approach, for the calculation of the nuclear spin-spin coupling tensor of nuclear-magnetic-resonance (NMR) spectroscopy, was discussed. A generalization of time-dependent response theory was used to obtain an effective spin-spin interaction from the coupling of nuclear magnetic moments to a virtual quantized magnetic field. The analysis showed that the energy-dependent operators obtained were reduced to usual classical-field expressions at suitable limits.
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页码:534111 / 534119
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